Air conditioners without an outdoor unit

Finding comfort in every corner of your home no longer requires drilling holes or mounting heavy equipment outside. A modern air conditioner without an outdoor unit delivers all the cooling and heating power you need — elegantly contained within a single indoor body. These advanced all-in-one air conditioners redefine climate control for homes, offices, and properties where outdoor installations are either restricted or simply undesirable.

How Do Air Conditioners Without an Outdoor Unit Work?

Traditional split systems depend on two separate parts: one inside and another fixed outside the building. In contrast, an air conditioner without an outdoor unit merges both elements into a single, compact appliance. The system is positioned on an internal or external wall, with two subtle grilles connecting it to the outside world. Through these vents, the unit exchanges warm and cool air without leaving any visible hardware outdoors.

At the heart of these systems lies inverter-based technology, which constantly adjusts compressor speed to maintain a stable temperature. The result is an exceptionally quiet performance and lower energy bills. Because everything is enclosed within one body, there’s no outdoor unit to maintain, no external noise, and no visual clutter spoiling your property’s design.

Why Choose a Wall Mounted Air Conditioner Without External Unit?

The biggest attraction of a wall mounted air conditioner without external unit is simplicity. Installation is quick, clean, and doesn’t require major construction work or planning permission. These units also complement modern interiors beautifully, offering a neat, understated design that sits harmoniously in bedrooms, lounges, and office spaces.

In addition to their discreet design, these systems boast smart controls, multiple air settings, and eco-conscious refrigerants that minimise environmental impact. Many come with integrated Wi-Fi, enabling you to manage your indoor climate with a tap on your smartphone. For households that value both performance and aesthetics, these air conditioners strike the ideal balance — elegant, quiet, and impressively effective.

Our Top Picks for 2025-2026

NEW 2025 Olimpia Splendid Unico PRO EVAN 35 HP Inverter 12000 BTU 3.5 kW All-in-One Air Conditioning Unit with Wi-Fi — designed for generous living spaces and open-plan interiors. This powerhouse model offers smooth inverter-driven cooling and heating with precise temperature control. With built-in Wi-Fi and ultra-low noise levels, comfort becomes effortless, even during the hottest days of summer.

NEW 2025 Olimpia Splendid Unico EVO-F 16 HP PVA 8000 BTU 2.1 kW All-in-One Air Conditioning Unit and Heat Pump — compact yet mighty, this model is ideal for small bedrooms, offices, or guest rooms. It combines advanced heat pump functionality with energy-saving performance, ensuring cosy warmth in winter and refreshing coolness in summer, all from a single system.

NEW 2025 Olimpia Splendid Unico EVO 25 HP Inverter 9000 BTU 2.5 kW All-in-One Air Conditioning Unit and Heat Pump with Wi-Fi — sleek, reliable, and smart. With an integrated Wi-Fi module, you can fine-tune your indoor environment from anywhere. Its whisper-quiet operation makes it a brilliant choice for homes and hotels alike, offering premium performance in a beautifully designed shell.

NEW 2025 Olimpia Splendid Unico Easy S2 HP 2.0 kW 7000 BTU All-in-One Air Conditioning Unit with Heat Pump — a smaller system that delivers surprisingly powerful results. It’s efficient, quiet, and perfectly suited to compact interiors where space and style both matter. A brilliant all-season solution with integrated heat pump technology.

How to Choose the Right Air Conditioner Without Outdoor Unit

Selecting the correct air conditioner without an outdoor unit depends on your room size, insulation, and personal comfort preferences. As a general rule, a 2.0–2.5 kW model handles spaces up to 20 m² with ease, while a 3.5 kW version can cool and heat much larger areas efficiently. All models provide multi-speed fans, automatic climate control, and eco-friendly refrigerants for sustainable operation.

Installation requires only two small wall openings for air exchange — no brackets, no external modules, and no major structural work. This makes the process remarkably fast and clean, often completed within a single day. Once fitted, you’ll enjoy seamless temperature control with a sleek, unobtrusive appearance that suits every modern environment.

Why Redlake Company?

At Redlake Company, we believe that comfort should never compromise design. Our curated collection of air conditioners without outdoor units brings together Italian craftsmanship, British reliability, and the latest eco-smart technology. Whether you’re upgrading a home, office, or boutique space, we’ll help you find a system that blends performance with elegance.

We offer expert consultation, fast nationwide delivery, and full aftercare support — because every installation deserves precision and peace of mind. Discover the next generation of all-in-one cooling and heating systems with Redlake Company. Call +447563766977 or explore our online range to experience effortless climate control, redefined for 2025-2026.